CN110572974B - Waterproof construction and LED display screen - Google Patents
Waterproof construction and LED display screen Download PDFInfo
- Publication number
- CN110572974B CN110572974B CN201910878722.XA CN201910878722A CN110572974B CN 110572974 B CN110572974 B CN 110572974B CN 201910878722 A CN201910878722 A CN 201910878722A CN 110572974 B CN110572974 B CN 110572974B
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- waterproof
- supporting structure
- extension arm
- waterproof structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010276 construction Methods 0.000 title claims description 6
- 238000007789 sealing Methods 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000009434 installation Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a waterproof structure, comprising: the device comprises a module, a box body and at least two sealing rings; the module is provided with a first supporting structure, the box body is provided with a second supporting structure corresponding to the first supporting structure, and the sealing ring is provided with a bulge and an extension arm; the sealing rings are respectively arranged on the first supporting structure and the second supporting structure, the protrusions are mutually propped, and the extension arms are propped against the side walls of the first supporting structure and/or the second supporting structure. The invention also discloses an LED display screen, which comprises waterproof structures uniformly distributed on the LED display screen. The LED display screen comprises a box body, a first supporting structure, a second supporting structure, a sealing ring, a protrusion and an extension arm, wherein the first supporting structure is arranged on the module, the second supporting structure is arranged on the box body at a position corresponding to the first supporting structure, the sealing ring is provided with the protrusion and the extension arm, the sealing ring is respectively arranged on the first supporting structure and the second supporting structure, the protrusions are mutually propped, the extension arm is propped against the side wall of the first supporting structure and/or the side wall of the second supporting structure, and a waterproof structure and an LED display screen with good sealing performance are formed.
Description
Technical Field
The invention relates to the technical field of LED display devices, in particular to a waterproof structure and an LED display screen.
Background
For the LED display module which needs outdoor use or requires waterproofing, the quality of the waterproof structure has great influence on the performance of the LED display screen. The waterproof ring is arranged between the LED display screen module and the display screen box body, the module and the display screen box body are locked by the screws, and the waterproof gasket is stressed and compressed to deform to achieve the aim of waterproofing when the module and the display screen are locked, but the waterproof structure has poor sealing performance and cannot meet the current use requirement.
There is thus a need for a new structural waterproof structure to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problems that: the waterproof structure and the LED display screen are provided, so that the waterproof problem of the LED display screen is solved.
The invention provides a technical scheme for solving the technical problems, which is as follows: the waterproof structure comprises a module, a box body and at least two sealing rings, wherein a first supporting structure is arranged on the module, a second supporting structure corresponding to the first supporting structure is arranged on the box body, and a bulge and an extension arm are arranged on the sealing rings; the sealing rings are respectively arranged on the first supporting structure and the second supporting structure, the protrusions are mutually propped, and the extension arms are propped against the side walls of the first supporting structure and/or the second supporting structure.
As an improvement of the scheme, the sealing ring comprises a first sealing ring and a second sealing ring, the first sealing ring is installed on the first supporting structure, the second sealing ring is installed on the second supporting structure, and the first sealing ring and the second sealing ring are centrally symmetrical.
As a further improvement of the scheme, the extension arm is located on one side of the sealing ring, the bulge is located in the middle of the sealing ring, and a sealing ring installation part is further arranged on one side, deviating from the bulge.
As a further improvement of the above solution, the thickness of at least one end of the extension arm is gradually reduced along the length direction.
As a further improvement of the scheme, the sealing ring mounting part is of a trapezoid structure, and the middle part of the first supporting structure and/or the middle part of the second supporting structure is provided with a mounting groove, and the trapezoid structure is clamped with the mounting groove.
As a further improvement of the scheme, the middle part of the trapezoid structure is provided with an arc-shaped groove.
As an improvement of the scheme, at least two groups of first supporting structures and second supporting structures are arranged on the module and/or the box body.
The waterproof structure has at least one technical scheme as follows: through setting up first bearing structure on the module, set up second bearing structure in the position that corresponds with first bearing structure on the box, set up the sealing washer that has arch and extension arm, install the sealing washer respectively on first bearing structure and second bearing structure, support each other between the arch, extension arm supports with first bearing structure and/or second bearing structure's lateral wall and holds, forms a waterproof construction that sealing performance is good.
The invention also provides an LED display screen, which comprises any one of the waterproof structures, wherein the waterproof structures are uniformly distributed on the LED display screen and are mutually combined and connected.
The LED display screen has at least one technical scheme that the LED display screen with good waterproof performance is formed by combining a plurality of waterproof structures or arranging the waterproof structures on the LED display screen.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following description will simply explain the drawings that are required to be used in the description of the embodiments.
Fig. 1 is an assembly view of one embodiment of the waterproof structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view at B in FIG. 2;
Fig. 4 is an exploded view of one embodiment of an LED display screen of the present invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present application. It should be noted that the embodiments of the present application and the features of the embodiments may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present application are merely with respect to the mutual positional relationship of the constituent elements of the present application in the drawings.
Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any combination of one or more of the associated listed items.
Fig. 1 is an assembly view of an embodiment of the waterproof structure of the present invention, fig. 2 is an enlarged view of a portion of fig. 1, fig. 3 is an enlarged view of a portion of fig. 2B, and referring to fig. 1, only fig. 3, the waterproof structure includes a module 10, a case 20, and at least two sealing rings 30; the module 10 is provided with a first supporting structure 11, the box 20 is provided with a second supporting structure 21 corresponding to the first supporting structure 11, the sealing ring 30 is provided with a protrusion 31 and an extension arm 32, and the sealing ring 30 is respectively arranged on the first supporting structure 11 and the second supporting structure 21. The bulges 31 are propped against each other, the extension arm 32 is propped against the side walls of the first supporting structure 11 and the second supporting structure 21, a first layer of waterproof structure is formed by the first supporting structure 11 and the extension arm 32, a second waterproof structure is formed by mutual extrusion between the bulges 31, a third waterproof structure is formed by the second supporting structure 21 and the extension arm 32, and a waterproof structure with good sealing performance is formed by the third waterproof structure.
Referring to fig. 3, the seal ring 30 includes a first seal ring 33 and a second seal ring 34, the first seal ring 33 is mounted on the first support structure 31, the second seal ring 34 is mounted on the second support structure 21, and the first seal ring 33 and the second seal ring 34 are centrally symmetrical. The first seal 33 is preferably identical in structure to the second seal 34.
One side of sealing washer 30 sets up extension arm 32, and the thickness of the one end of extension arm 32 is followed its length direction and is followed centre to both ends and decrease gradually, forms the inclined plane structure at the surface of extension arm 32, after having water entering box or module non-waterproof regional cavity 40, strikes sealing washer 30 and has extension arm 32 on inclined plane for extension arm 32 is more inseparable with module 10 and box 20 laminating under the effect of impact force, prevents that water from entering waterproof construction inside. Preferably, the lower part of one end on the side wall of the first support structure 11 and the second support structure 21 is provided with an inner concave part 35, the extension arm 32 can be abutted against the bottom of the inner concave part 35 under the action of external impact force, and when a small amount of water enters, the inner concave part 35 can store a small amount of water, so that the water is prevented from entering the inside of the sealing structure.
The middle part of sealing washer 30 is equipped with protruding 31, and two sealing washer combination use in the in-service use, extrudees each other between the opposite protruding 31, forms the second waterproof construction. The bulge 31 is positioned in the middle of the sealing ring 30, and one side of the bulge 31 is also provided with a sealing ring mounting part 36. The seal ring mounting portion 36 has a trapezoidal structure as a whole. The corners of the preferred trapezoid are provided with rounded corners 361, and the rounded corners 361 are provided to facilitate smooth connection of the mounting portion 37 to the first support structure 31 on the module 10 or the second support structure 21 on the housing 20.
The arc-shaped groove 362 is preferably arranged in the middle of the trapezoid structure of the installation part 36, the arc-shaped groove 362 enables the installation part 36 to deform more conveniently in the installation process, the installation is convenient and quick, and further, as the arc-shaped groove 362 is arranged in the middle of the trapezoid structure, the supporting force of the installation part 36 and the first supporting structure 11 or the second supporting structure 21 is concentrated on two sides of the trapezoid structure of the installation part 36, and the connection reliability of the trapezoid structure and the first supporting structure 11 or the second supporting structure 21 is guaranteed.
The cross structure is connected between the mounting part 36 and the extension arm 32 on the sealing ring 30, the included angle between the cross structure and one side of the extension arm 32 is attached to the first support structure 11 or the second support structure 21, a gap is further arranged between the mounting part 36 and the cross structure, the gap is clamped and connected with the first support structure 31 or the second support structure 21, and the reliability and stability of the connection between the sealing ring 30 and the module 10 or the box 20 are ensured.
The first supporting structure 11 on the module 10 and the second supporting structure 21 on the box 20 are both mounting grooves (12, 22), the mounting grooves (12, 22) are through grooves, the sections of the mounting grooves (12, 22) are of a convex structure, the mounting parts 36 on the sealing ring 30 are tightly attached to the convex structure, the mounting parts 36 are abutted to the inner walls of the mounting grooves (12, 22) through the inner walls of the mounting grooves, and the extension arms 32 are pulled through the cross structure, so that the extension arms 32 are tightly attached to the side walls of the first supporting structure 11 and the second supporting structure 21, and the reliability of connection between the sealing ring 30 and the first supporting structure 11 and the second supporting structure 21 is guaranteed. It is also known that a first waterproof structure and a third waterproof structure are formed between the first support structure 11, the second support structure 21 and the extension arm 32 of the sealing ring 30, surrounding the second waterproof structure.
Referring to fig. 2 and 3, a cavity 40 is provided between the module 10, the box 20 and the sealing ring 30, the cavity is communicated with the outside, when water enters the cavity 40, the water flows in the direction indicated by the arrow, the water firstly enters the low-lying position between the sealing ring 30 and the box 20, after the water is accumulated to a certain extent, the water flows over the upper surface of the sealing ring 30, so that the water flows to the low-lying position where the sealing ring 30 is connected with the module 10, and when the water flows over the lower end of the sealing ring, the outer surface of the extending arm 32 is of an inclined surface structure, so that when the water flows more and more, the gravity of the water flow acts on the sealing ring 30, namely, the pressure between the extending arm 32 of the sealing ring 30 and the first supporting structure 11 and the second supporting structure 21 is greater, the sealing performance is better, the sealing reliability between the sealing ring 30 and the second supporting structure 11 and the second supporting structure 22 is guaranteed, and the water flow is effectively prevented from entering the inside of the waterproof structure. As can be seen from the above description, the first waterproof structure and the third waterproof structure have the same waterproof principle, the second waterproof structure forms a waterproof barrier portion by mutually extruding the protrusions 31 between the first sealing ring 33 and the second sealing ring 34, and the preferred protrusions 31 have a receiving space 311 between two sides, where the receiving space 311 can be used to receive a small amount of water seepage, and compared with the conventional single-layer sealing structure, the water seepage can be prevented from directly entering the module 10 or the box 20, and direct damage to electronic components can be avoided. The third waterproof structure is further arranged at the lower part of the second waterproof structure, so that water can be further prevented from penetrating into the waterproof area inside the module 10 and/or the box body 20, and a stable and reliable waterproof structure is formed through the third waterproof structure.
It should be noted that, the sealing ring 30 is an elastic member, and may be made of rubber or silica gel in the actual use process, and the technical scheme does not limit the use material of the sealing ring 30, and may be selected as required in the actual use process. Meanwhile, the technical scheme does not limit the use quantity of the sealing rings, and the sealing rings can be added according to the requirement under the condition of meeting the sealing requirement.
More of the seal rings 30 in one embodiment are provided with circumferentially symmetrical extension arms 32, which make the connection between the circumferentially symmetrical seal rings more secure.
In another embodiment, the module 10 is provided with a plurality of first supporting structures 11 and second supporting structures 21 which are nested with each other, and sealing rings 30 which are matched with each other are installed on the first supporting structures 11 and the second supporting structures 21.
Fig. 4 is an exploded view of an embodiment of the LED display screen according to the present invention, referring to fig. 4, the LED display screen includes a module 10, a case 20, and a sealing ring 30, where the sealing ring 30 includes a module sealing ring 33 and a case sealing ring 34, the case 20 and the module 10 have the same structure as the case and the sealing ring in the waterproof structure, the sealing ring 30 has the same cross-section structure as the sealing ring in the waterproof structure, the case sealing ring 34 is connected with a support structure located on the case 20, the module sealing ring 33 is connected with a support structure located on the module 10, the module 10 is clamped or screwed with the case 20, and the sealing ring 30 abuts against each other and is tightly attached to a side portion of the support structure, so as to form the waterproof LED display screen with good sealing performance.
The operating principle of the invention is as follows: through setting up three waterproof structures, set up at least a set of sealing washer, the extension arm of sealing washer supports with the lateral wall of box and module and holds and form first waterproof structure, and the surface setting of extension arm is the inclined plane structure for the surface pressure to the sealing washer when having water to strike the sealing washer, make the connection of sealing washer inseparabler; the protrusions in the middle of the extension arm are mutually extruded to form a second waterproof structure; the extension arm of the sealing ring at the bottom is propped against the side surfaces of the box body and the module to form a third waterproof structure, so that a waterproof structure with good waterproof performance and an LED display screen with the waterproof structure are formed through three waterproof structures of an upper layer, a middle layer and a lower layer.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. Waterproof construction, its characterized in that contains: the device comprises a module, a box body and at least two sealing rings; the module is provided with a first supporting structure, the box body is provided with a second supporting structure corresponding to the first supporting structure, and the sealing ring is provided with a bulge and an extension arm; the sealing rings are respectively arranged on the first supporting structure and the second supporting structure, the bulges are mutually propped, and the extension arms are propped against the side walls of the first supporting structure and/or the second supporting structure; the protrusions are mutually extruded to form a second waterproof structure, a first support structure and one extension arm form a first waterproof structure, the second support structure and the other extension arm form a third waterproof structure, and the first waterproof structure and the third waterproof structure surround the second waterproof structure.
2. The waterproof structure of claim 1, wherein the sealing ring comprises a first sealing ring and a second sealing ring, the first sealing ring is mounted on the first support structure, the second sealing ring is mounted on the second support structure, and the first sealing ring and the second sealing ring are centrosymmetric.
3. The waterproof structure according to claim 2, wherein the extension arm is located at one side of the sealing ring, the protrusion is located at the middle part of the sealing ring, and a sealing ring mounting part is further provided at one side facing away from the protrusion.
4. A waterproof structure according to claim 3, wherein the thickness of at least one end of the extension arm is gradually reduced in the length direction.
5. The waterproof structure according to claim 3, wherein the sealing ring mounting portion is a trapezoid structure, a mounting groove is formed in the middle of the first supporting structure and/or the second supporting structure, and the trapezoid structure is clamped with the mounting groove.
6. The waterproof structure of claim 5, wherein the middle portion of the trapezoid structure is provided with an arc-shaped groove.
7. The waterproof structure according to claim 1, wherein the lower portion of at least one end of the side wall of the first support structure and/or the second support structure is provided with an inner recess, and the end of the extension arm can be abutted against the inner recess.
8. The waterproof structure according to claim 2, wherein the first seal ring is identical in structure to the second seal ring.
9. The waterproof structure according to claim 1, wherein at least two sets of first and second support structures are provided on the module and/or the case.
An LED display screen comprising the waterproof structure according to any one of claims 1 to 9, the waterproof structures being uniformly distributed on the LED display screen and being connected in combination with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878722.XA CN110572974B (en) | 2019-09-18 | 2019-09-18 | Waterproof construction and LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878722.XA CN110572974B (en) | 2019-09-18 | 2019-09-18 | Waterproof construction and LED display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110572974A CN110572974A (en) | 2019-12-13 |
| CN110572974B true CN110572974B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910878722.XA Active CN110572974B (en) | 2019-09-18 | 2019-09-18 | Waterproof construction and LED display screen |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113140166B (en) * | 2021-05-13 | 2022-10-18 | 业成科技（成都）有限公司 | Wearable device |
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| CN110572974A (en) | 2019-12-13 |
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